Productive and reliable
The ML3391eco wide carriage printer features advanced specifications that ensure excellent productivity and reliability every time. The robustness and flexibility make this the ideal choice for demanding environments.

Versatile printer with flexible media handling
The ML3391eco is so versatile, whether your requirements are for a long print run or a single letterhead, an envelope or a spreadsheet, in the office or on a counter, this impact printer can handle it.

For fast and precise dedicated forms printing, with pin feed or cut sheet stock, the ML3391eco is proven to be up to 30% faster than their closest competitor.

Eco-friendly and cost effective
The ML3391eco has been developed to be eco-friendly. With power consumption at just 1.5W in sleep mode, your running costs and energy consumption are kept to a minimum, as well as reducing your carbon footprint.

OKI’s commitment to customers
The OKI brand is one of proven reliability and value. We provide printers that increase our customers’ long-term business performance without impacting their budget.

With almost half a century of experience in the impact printer industry, with OKI you are guaranteed a best-in-class, low cost, reliable and easy to use printer. And, for total peace of mind just register your product and take advantage of our extended three-year warranty at no extra cost.